BK2125HS470-TV

Chip Ferrite Bead Overview

The Taiyo Yuden BK2125HS470-TV is a multilayer ferrite chip bead inductor designed for surface mount applications. It features an 0805 (2012 metric) package with dimensions of 2.0 mm length, 1.25 mm width, and 1.05 mm height. The component provides an impedance of 47 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 1 A and has a maximum DC resistance of 50 mOhms. The device operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Multilayer construction for high reliability in surface mount environments
• Ferrite core material optimized for electromagnetic interference suppression
• Compact 0805 footprint suitable for dense circuit board layouts

Chip Ferrite Bead Applications

• High-speed signal line filtering
• Power supply noise suppression
• Electromagnetic interference (EMI) reduction in digital circuits

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'TV' against official Taiyo Yuden documentation to confirm packaging and tape specifications. Ensure compatibility with existing PCB land patterns for the 0805 case size. Confirm that the 1 A current rating meets the design requirements for the target application without derating issues.

Chip Ferrite Bead Selection Notes

Select this component when a 47 Ohm impedance at 100 MHz is required for EMI suppression in space-constrained designs. The 0805 package offers a balance between performance and board area. Verify that the 1 A current handling capability aligns with the circuit's operational limits and thermal environment.

Chip Ferrite Bead Part Context

This part belongs to the BK series of multilayer ferrite beads from Taiyo Yuden. These components are engineered for suppressing electromagnetic interference in high-speed signal lines and power supplies. The HS variant typically denotes specific performance characteristics within the series, focusing on stable impedance profiles across operating conditions.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers for BK2125HS470-TV were not identified in the provided source materials. Cross-referencing with other manufacturers requires careful verification of impedance curves, current ratings, and physical dimensions to ensure functional equivalence.